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Note 8 - Share-based Compensation (Tables)

6 Months Ended

Jun. 30, 2020

Notes Tables

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

Issuance Date		February 1, 2019				December 20, 2019				March 1, 2020
Fair value lower range		$	2.81			$	1.58			$	1.46
Fair value higher range		$	2.86			$	1.61			$	1.49
Exercise price		$	4.72			$	2.56			$	2.33
Expected term (in years)			1.0 - 1.3				1.0 - 1.6				1.0 - 1.5
Expected volatility			65	%			70	%			70	%
Dividend yield			—	%			—	%			—	%
Risk-free rate			2.61	%			1.85	%			1.05	%

Share-based Payment Arrangement, Option, Activity [Table Text Block]

		Number of options				Weighted average exercise price per share				Weighted average remaining contractual term (in years)				Aggregate intrinsic value
Outstanding as of December 31, 2019			2,120,000			$	5.21				8.7			$	—
Granted			478,000			$	2.48				9.5
Expired			(30,000	)		$	7.14				—
Outstanding as of June 30, 2020			2,568,000			$	4.34				8.6			$	—
Options exercisable as of June 30, 2020			1,086,000			$	4.82				8.1			$	—

Schedule of Nonvested Share Activity [Table Text Block]

		Number of options				Weighted average exercise price per share				Weighted average remaining contractual term (in years)
Unvested as of December 31, 2019			2,008,000			$	4.72				9.1
Granted			478,000			$	2.48				9.5
Vested			(1,004,000	)		$	4.72				8.6
Unvested as of June 30, 2020			1,482,000			$	4.00				8.9

Share-based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block]

		Number of units				Weighted average grant-date fair value
Unvested as of December 31, 2019			3,394,370			$	8.03
Granted			1,545,032			$	2.03
Vested and delivered			(1,376,581	)		$	3.58
Withheld as treasury stock (1)			(190,326	)		$	4.04
Vested not delivered (2)			525,334			$	2.84
Forfeited			(161,506	)		$	2.77
Unvested as of June 30, 2020			3,736,323			$	6.83

Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]

		Three Months Ended June 30,								Six Months Ended June 30,
		2020				2019				2020				2019
Sales and marketing		$	269			$	160			$	487			$	529
Product development			286				277				523				522
General and administrative			726				2,517				2,668				4,178
Share-based compensation expense			1,281				2,954				3,678				5,229
Capitalized in intangible assets			47				30				86				45
Total share-based compensation		$	1,328			$	2,984			$	3,764			$	5,274

X

- Definition

Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement.

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